Collections are made available on the Platform by members of the Polish Biobanking Network (PSB) and the access to information is open to everyone who is interested. PSB is constantly expanding the list of cooperating units. So far, about 50 biobanks have joined the network (the current number can be found in the "Biobanks" tab). These are units of different structural and organizational character and with various research profile. Every unit involved in the sourcing, collecting, storage or testing of biological material can join PSB regardless of the amount of collections or the level of biobank/biorepository development.

The PSB platform provides defining of different types of collections starting from population collections to the ones concerning rare diseases. The unit providing information about its resources can also assign the type of biological material collected in the collection.